the human eye is able to detect as little as 2.35×10−18 j of green light of wavelength 510 nm. calculate the minimum number of photons of green light that can be detected by the human eye. consult the table of physical constants as needed.

2(4p+1)/5< = (3+12p)/4 its less than or equal solve it for me an with explanation plz

In a cooking context,which of the following materials is the best heat conducter?

On a test the graders have a mean of 77 and a standard deviation of 8. if we can approximate the distribution of these graders by a number distribution what percent of the students. a) scores higher than 77? b) should pass the test (grades > 60)? c) should fail the test (grades < 60)?